Dialog Programming Overview

SAP System : Dialog Processing (Report) Database Server Application Server Dispatcher Request Queue D D D D … SAP Buffer Program … … 1 3 4 5 6 8 9 10 Report zpsm1. Tables customers. Select single * from customers where id = 1. Write: / customers-name. Execute ABAP statement Check Program in Program Buffer 7 Load&Gen Program SQL Request Send List Generate Screen(List) Send Request Request List 2 Search for free WP Store request to queue Send request to WP SAP GUI

Dialog WP : Executable Program ,[object Object],TaskHandler DYNPRO Processor ABAP Processor Database Local Memory Memory Space DB Interface List Buffer Result Set Memory

Types of ABAP Report 1. Report Listing 2. Drill-down Report 3. Control-break Report 4. ALV Report 1 3 4

SAP System : Dialog Processing (DIALOG) Database Server Application Server Dispatcher Request Queue D D D D … SAP Buffer Program … … 1 3 4 5 6 8 9 10 Program sapmzex001. Include …. Set screen 100. … Execute ABAP statement Check Program in Program Buffer 7 Load&Gen Program SQL Request Send List Generate Dialog Screen Send Request Request Screen 2 Search for free WP Store request to queue Send request to WP SAP GUI

Dialog WP : Dialog Program ,[object Object],TaskHandler DYNPRO Processor ABAP Processor Database Local Memory ABAP Memory DB Interface Screen Buffer Result Set Memory

Dialog Program Components Transaction Code Screen : 100 (Screen Layout) Screen : 200 (Screen Layout) Flow Logic Flow Logic PBO PAI ABAP Module Pool ABAP Module Pool PBO PAI ABAP Module Pool ABAP Module Pool Dialog Program Program Naming Convention : SAPM …

SAP Transaction ,[object Object],[object Object],DB Commit DB Commit

Data Transfer (Local Memory) Screen Buffer ABAP Memory Space Screen Work Area ABAP Work Area PBO PAI customers-id customers-name customers id name city … 0000000 ok_code ok_code Local Memory Element List

Flow Logic ,[object Object],[object Object],[object Object],[object Object]

OK Code Field in Screen OK Code Field or Command Fi e ld (ok_code in Element List)

Defining Screen (4 Steps) ,[object Object],[object Object],[object Object],[object Object],Element List(ok_code field)

Flow Logic in Screen 100 ,[object Object],[object Object],[object Object],[object Object]

PBO in Screen 100 ,[object Object],[object Object],[object Object],[object Object]

PAI in Screen 100 ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

How to Create Dialog Program ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Example I Maintain Customers Data Screen : 100 Screen : 200

Example I ,[object Object],[object Object],[object Object],[object Object],[object Object]

Example I ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Exercise Create Dialog Program : SAPMZ CUST< nn > Transaction Code : Z CUST< nn >

Exercise : Customers Maintenance Screen : 100 Screen : 200

Setting the Cursor Position Dynamically Cursor Position PROCESS BEFORE OUTPUT. MODULE STATUS_0200. MODULE set_cursor. MODULE set_cursor OUTPUT. SET CURSOR FIELD ‘CUSTOMERS-CITY’ OFFSET 3. ENDMODULE.

Avoiding the Unexpected Processing Step of ok_code Field

1. Auxiliary OK_CODE Variable ,[object Object],[object Object],[object Object],[object Object]

Example I - Change ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Example I - Change ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

2. Specify the Enter Function at GUI Status

Check Enter Function ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

3. Clear OK_CODE at PBO ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Clear OK_CODE at PBO ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Example II ,[object Object],[object Object]

Example II ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Example III ,[object Object],[object Object]

Example III – Field Statement ,[object Object],[object Object],[object Object]

Example III ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Field Input Checking ,[object Object],[object Object]

Field Statement With More Than 1 Field ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],PROCESS AFTER INPUT. CHAIN. FIELD customers-id MODULE user_command_0100. FIELD customers-custtype MODULE user_command_0100. ENDCHAIN.

Field Statement & Data Transport ,[object Object],[object Object],[object Object],[object Object],[object Object],f1 f2 f3 f4 Screen 100 ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

[object Object],[object Object],[object Object],At exit-command

At exit-command ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

At exit-command ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],LEAVE PROGRAM.

Function Module ( POPUP_TO_CONFIRM_LOSS_OF_DATA)

Example IV ,[object Object],[object Object],[object Object]

Example IV ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

SAP Transaction : Enqueue Lock Object

SAP Transaction & DB Transaction ,[object Object],[object Object],[object Object]

SAP Transaction(LUW) DB Commit DB Commit SAP LUW DB LUW

SAP Database Maintenance Steps ,[object Object],[object Object],[object Object],[object Object]

SAP Lock Object ,[object Object],[object Object],[object Object]

SAP Lock Object : Function Module

Example IV ,[object Object],[object Object],[object Object],User 1 User 2

Example IV (I) ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Example IV (II) ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],message id sy-msgid type sy-msgty number sy-msgno with sy-msgv1 sy-msgv2 sy-msgv3 sy-msgv4.

Example IV ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Monitoring Enqueue Lock : SM12

Dialog Programming Overview

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Dialog Programming Overview